Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 6888545 | Rasterization of polytopes in cylindrical coordinates A method for rendering a polytope in a volumetric display includes partitioning the polytope into a plurality of polytope sections, each of the polytope sections being disposed in an active slice defined by an entry plane and an exit plane. The presence of an imagin... | 05/03/2005 |
| 6879720 | Methods for outlining and filling regions in multi-dimensional arrays A system and method of adding hyperlinked information to a television broadcast. The broadcast material is analyzed and one or more regions within a frame are identified. Additional information can be associated with a region, and can be transmitted in encoded form,... | 04/12/2005 |
| 6876361 | Architecture for real-time texture look up's for volume rendering A slice plane, oriented parallel to a viewing plane, is passed through a cuboidal dataset at regular intervals. The intersection of the slice plane with the cuboidal volume dataset results in primitives (quads, triangles, etc. depending on the angle and position of ... | 04/05/2005 |
| 6873335 | Graphics memory system for volumeric displays A graphics memory system for managing image data for a volumetric display that displays volumetric images, the system including a first buffer memory with a first predefined address space for holding image data for a three-dimensional image; a second buffer memory w... | 03/29/2005 |
| 6867770 | Systems and methods for voxel warping Systems and methods for calculating a modification of a geometrical shape by applying an inverse modification function to an array representing the shape. An array representing the geometrical shape is defined on a multi-dimensional space. A modification function is... | 03/15/2005 |
| 6867774 | Method and apparatus for transforming polygon data to voxel data for general purpose applications A method and apparatus are provided for transforming 3D geometric data, such as polygon data (16) formed of polygons (18), into volumetric data (14) formed of voxels (12). According to the method, 3D geometric data to be converted to voxe... | 03/15/2005 |
| 6867773 | Generating surface normals A method of determining neighboring voxels that contribute to a surface of an object includes evaluating a primary voxel that corresponds to a side of a reference voxel. The side of the reference voxel is adjacent to an outside voxel, which is outside the object. Th... | 03/15/2005 |
| 6864887 | Classifying a voxel A method of classifying a voxel having vertices includes projecting the vertices of the voxel onto an image. The image includes a set of pixels. The method also includes generating a bounding rectangle containing the vertices. The method further includes selecting p... | 03/08/2005 |
| 6862025 | Recursive ray casting method and apparatus A recursive ray casting method and apparatus is described that increases casting and visible object determination efficiency by casting entire bundles of rays relatively large distances and subdividing into smaller bundles and casting distances when within a certain... | 03/01/2005 |
| 6862024 | Enhancing textured range images using a 2D editor A method edits a 3D model using 2D images. First, a projected range image is generated from a 3D model. The projected range image is edited using a 2D editor. A projected distance and a cliff distance from a plurality of 3D points to a 3D surface of the 3D model are... | 03/01/2005 |
| 6859203 | Sweeping real-time single point fiber An imaging method for imaging a subject (18) including fibrous/anisotropic structures (102) includes acquiring three-dimensional image representations without and with a plurality of different diffusion weighting and directions. When a user (56)... | 02/22/2005 |
| 6839663 | Haptic rendering of volumetric soft-bodies objects Haptic rendering of three-dimensional soft bodied objects for virtual interactions implemented by forming a three dimensional occupancy map of voxels, forming the surface of and bounding an object, forming a multi-dimensional coordinate system, defining minimum and ... | 01/04/2005 |
| 6826313 | Method and automated system for creating volumetric data sets A method for creating a volumetric data set representing a three-dimensional distribution, such as a dose distribution produced by a radiosurgery system uses a plurality of stacked sensors (12) to obtain two-dimensional cross sectional images of the distribut... | 11/30/2004 |
| 6816628 | Methods for outlining and filling regions in multi-dimensional arrays A system and method of adding hyperlinked information to a television broadcast. The broadcast material is analyzed and one or more regions within a frame are identified. Additional information can be associated with a region, and can be transmitted in encoded form,... | 11/09/2004 |
| 6798409 | Processing of images for 3D display A method and display are disclosed in which a representation of a 3D model is provided for presentation as a 3D image. The image may be presented under an array of spherical or lenticular microlenses so that different images are presented at different viewing angles... | 09/28/2004 |
| 6771263 | Processing volumetric image data with shadows Texture-based volume rendering is a technique to efficiently visualize volumetric data using texture mapping hardware. A method is presented that extends this approach to render shadows for the volume. Although the method does not perform lighting calculations, the ... | 08/03/2004 |
| 6771262 | System and method for volume rendering-based segmentation A three-dimensional (3D) imaging system and method include a processor for generating a volume-rendered 3D image on a display using a plurality of voxels from a 3D image dataset; and a view selector which responds to user inputs for determining a first set of voxels... | 08/03/2004 |
| 6765570 | System and method for analyzing and imaging three-dimensional volume data sets using a three-dimensional sampling probe System and method for analyzing and imaging three-dimensional volume data sets using a three-dimensional sampling probe. A number of sampling probes can be created, shaped, and moved interactively by the user within the whole three-dimensional volume data set. As th... | 07/20/2004 |
| 6765572 | Virtual modeling by voxel-clipping shadow-cast A graphics model of an elephant is made by using bitmap silhouettes of a physical model of an elephant in different orientations to carve away voxels from a voxel block. This gives an intuitively simple tool to enable a user to create graphics representations of phy... | 07/20/2004 |
| 6765566 | Method and apparatus for displaying volumetric 3D images This invention relates generally to new and improved methods and apparatus for displaying volumetric 3D images with colors and for barrier-free interaction with the 3D images. A raw 3D dataset is first processed into a viewable data with a geometry description in th... | 07/20/2004 |
| 6747646 | System and method for fusing three-dimensional shape data on distorted images without correcting for distortion A system and method for intra-operatively providing a surgeon with visual evaluations of possible surgical outcomes ahead of time, and generating simulated data, includes a medical imaging camera, a registration device for registering data to a physical space, and t... | 06/08/2004 |
| 6744435 | Rendering discrete sample points projected to a screen space with a continuous resampling filter A method produces an image from a set of discrete sample points. The sample points can define a 3D volume or surface. Each discrete sample point is projected to a screen space. A continuous resampling filter for each sample point is generated in screen space. The co... | 06/01/2004 |
| 6738063 | Object-correspondence identification without full volume registration Disclosed is a method for object correspondence identification between two image sets, said method steps comprising roughly aligning the two image sets, receiving a selected point in said one image set, locating a rough matching point in said another image, defining... | 05/18/2004 |
| 6731283 | C-arm calibration method utilizing aplanar transformation for 3D reconstruction in an imaging system A C-arm calibration method for 3D reconstruction in an imaging system comprising an imaging source and an imaging plane, the method utilizing a planar transformation for relating voxels in a voxel space and pixels in the imaging plane, and comprises the steps of: de... | 05/04/2004 |
| 6728583 | User interface for a gamma camera which acquires multiple simultaneous data sets A gamma camera system is described having a user interface by which protocols can be set up for the simultaneous acquisition of different views. Pull-down menus prevent the selection of incompatible simultaneous views for acquisition. The protocol being assembled, i... | 04/27/2004 |
| 6720966 | Method for reconstructing 3D image data with respect to a volume of interest of an examination subject In a method for reconstructing 3D image data, a number of 2D central projections from different projection directions is acquired with a planar detector and radiation emanating from a radiation source, and a volume of interest of an examination subject to be three-d... | 04/13/2004 |
| 6707455 | Method for graphical visualization of measured magnetic field on MRI volume A method for graphical visualization of a measured magnetic field on an imaging volume of a MRI magnet includes providing data values measured at selected points of the measured magnetic field, converting each of the data values to a visualizable value based on wher... | 03/16/2004 |
| 6697034 | Volumetric, stage-type three-dimensional display, capable of producing color images and performing omni-viewpoint simulated hidden line removal A volumetric, 3-D image is produced by moving a small number of 1-dimensional light arrays such that virtually all points of a desired volume have at least one light pass through them within the refresh time of the human eye. The motion of the lights cons... | 02/24/2004 |
| 6697062 | Reflection space image based rendering The present invention provides a method, system, and computer program product for reflection space image based rendering of an object at an interactive frame rate. A set of source radiance environment maps associated with a set of source viewing vectors a... | 02/24/2004 |
| 6694163 | Method and system for producing interactive, three-dimensional renderings of selected body organs having hollow lumens to enable simulated movement through the lumen A method and system are provided for effecting interactive, three-dimensional renderings of selected body organs for purposes of medical observation and diagnosis. A series of CT images of the selected body organs are acquired. The series of CT images is ... | 02/17/2004 |
| 6690371 | Relevant image data extraction from a medical image data volume A method for rapid extraction and visualization of relevant data from a volume of image data includes rapidly producing reduced-fidelity images derived from an image volume, the reduced fidelity images having an adjustable visual parameter; adjusting the ... | 02/10/2004 |
| 6687393 | Efficient methods and apparatus for resampling three dimensional datasets In one form, the present invention is a method for rapidly resampling a three-dimensional volume of data to permit efficient interactive viewing and visualization of the data is provided in which a set of parallel line segments defining a surface having a... | 02/03/2004 |
| 6683607 | Method for displaying three-dimensional objects and a computer-readable storage medium storing a program for achieving the same A graphics system improves the efficiency in measurement operations of three-dimensional objects by enabling a user to easily and accurately specify the measurement point of the three-dimensional objects on a screen. A user can obtain the display of horiz... | 01/27/2004 |
| 6680735 | Method for correcting gradients of irregular spaced graphic data A volume data set composed of voxels is rendered onto an image plane composed of pixels by casting a ray through each pixel of the image plane. A surface of the volume data set is selected as a base plane. Sample points are defined along each ray so that ... | 01/20/2004 |
| 6674430 | Apparatus and method for real-time volume processing and universal 3D rendering An apparatus and method for real-time volume processing and universal three-dimensional rendering. The apparatus includes a plurality of three-dimensional (3D) memory units; at least one pixel bus for providing global horizontal communication; a plurality... | 01/06/2004 |
| 6671656 | Structure analysis method and program, and recording medium thereof In a structure analysis problem for applying a pressure to a curved surface of a structure, the pressure is applied to an area approximated by a VOXEL method, so that the pressure acts on an area different from an area to which the pressure is to be intri... | 12/30/2003 |
| 6664961 | Resample and composite engine for real-time volume rendering The present invention is a digital electronic system for rendering a volume image in real time. The system accelerators the processing of voxels through early ray termination and space leaping techniques in the projection guided ray casting of the voxels.... | 12/16/2003 |
| 6661914 | Method of reconstruction of tridimensional scenes and corresponding reconstruction device and decoding system The invention relates to a new method of reconstruction of tridimensional scenes. While conventional methods are often limited to the 3D reconstruction of the bounding volume of the concerned objects, the proposed method of recovery of a 3D geometric mode... | 12/09/2003 |
| 6654012 | Early ray termination in a parallel pipelined volume rendering system A method renders a volume data set as an image in a volume rendering system. The volume data set includes a plurality of voxels stored in a memory. The volume rendering system includes a plurality of parallel processing pipelines. The image includes a plu... | 11/25/2003 |
| 6654011 | Trim operation based on enhanced face definition A method, apparatus and system for use in CAD/CAM design in which two or more bodies may be combined to form an assembly. When the assembly is formed, the two bodies intersect so that the volume of the assembly consists of cells containing volume common t... | 11/25/2003 |
